A protection device for elevator host

Abstract

The invention discloses a protector of an elevator host. The protector comprises sensors, a fault diagnosis module and a control unit of an elevator, wherein the sensors, the fault diagnosis module and the control unit are sequentially connected. The sensors are installed and fixed on the elevator host, can detect relevant parameters of vibration of the elevator host and feeds back the relevant parameters to the fault diagnosis module, reference values are set in the fault diagnosis module, the fault diagnosis module feeds back the signal that the working state of the elevator host is abnormal to the control unit when the relevant parameters are greater than the reference values, and then the control unit controls the elevator host to stop and give a prompt that the working state of the elevator host is abnormal. The sensors detect the vibration condition of the elevator host in real time, and the elevator is controlled to stop in time when vibration of the elevator host is abnormal through comparison judgment by the fault diagnosis module and automatic control by the control unit. Manual regular inspection is not needed, real-time monitoring can be realized, and the vibration fault can be found in time. Automatic stopping executed after the vibration fault is found can effectively guarantee the use safety of passengers inside the elevator.

Description

technical field [0001] The invention relates to the technical field of elevators, in particular to a protection device for an elevator host. Background technique [0002] At present, the operation of the elevator requires the elevator host to provide power. As the core component of the elevator, the elevator host plays a very important role in the entire service life of the elevator. Most of the existing elevator hosts are installed and fixed at the set host installation position by fasteners. The operation of the elevator main engine will produce a certain amplitude of vibration. Generally, the fasteners that fix the elevator main engine can effectively limit the vibration amplitude during the operation of the elevator main engine. When the long-term use of the elevator main engine or other reasons cause the fasteners fastening the elevator main engine to loosen, the elevator main engine will generate a large vibration amplitude during operation, causing the elevator main ...

AI Technical Summary

Problems solved by technology

Because the unexpected vibration displacement of the elevator main engine is not obvious, it is often not found and ignored during manual inspection, and the real-time performance of the detection is also poor, which brings a greater safety risk to the normal use of the elevator

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